Display screen of smart piano with transitional graphical user interface



FIG. 1 is a front view of a first image of a display screen of a smart piano with transitional graphical user interface showing our new design according to a first embodiment; and,

FIG. 2 is a second image thereof.

The appearance of the image transitions sequentially between the images shown in FIGS. 1-2. The process or period in which an image transitions to another forms no part of the claimed design.

The broken line showing of a transitional graphical user interface is for the purpose of illustrating portions of the article and form no part of the claimed design. 

CLAIM The ornamental design for a display screen of smart piano with transitional graphical user interface, as shown and described. 